Support frame



FIG. 1 is a front view of a support frame.

FIG. 2 is a rear view of a support frame.

FIG. 3 is a left view of a support frame.

FIG. 4 is a right view of a support frame.

FIG. 5 is a top view of a support frame.

FIG. 6 is a bottom view of a support frame.

FIG. 7 is a perspective view of a support frame.

FIG. 8 is an enlarged view of a support frame.

FIG. 9 is an enlarged view of a support frame.

FIG. 10 is an enlarged view of a support frame; and,

FIG. 11 is an enlarged view of a support frame.

The portions of the support frame shown in broken lines form no part of the claimed design. 

CLAIM I claim the ornamental design for a support frame, as shown and described. 